Commonwealth Catalog

ComCat
The Commonwealth Catalog extends your search beyond your local library’s resources.In one easy step, you can search through millions of items at participating libraries across Massachusetts to find the books, DVDs, and music you’re looking for. Make a request and it will be delivered right to your local library for quick pickup. You know what you want — let the Commonwealth Catalog help you get it.

Please search the SAILS Enterprise catalog first. If the material you want is not available in the catalog, please log in below to use the Commonwealth Catalog. For additional assistance, please contact your local library.

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Current participants include:

  • Bridgewater State University
  • CLAMS, Cape Libraries Automated Materials Sharing
  • C/W MARS, Central/Western Massachusetts Automated Resource Sharing
  • FLO, Fenway Library Organization
  • HELM, High Education Libraries of Massachusetts
  • MassCat Massachusetts Library System
  • MBLN, Metro Boston Library Network (including the Boston Public Library)
  • MLN, Minuteman Library Network
  • MVLC, Merrimack Valley Library Consortium
  • NOBLE, North of Boston Library Exchange
  • OCLN, Old Colony Library Network
  • University of Massachusetts, Amherst
  • University of Massachusetts, Dartmouth
The Commonwealth Catalog system is being funded with state funds through a series of grants from the Massachusetts Board of Library Commissioners.